Research Project on Economical Apartment Design, 1930: Building type IIb: section showing heating and electrical installation, 1:50

Photomechanical print with wash, graphite and crayon on paper

Photomechanical print with yellow wash on paper

Photomechanical print with applied type on paper

Photomechanical print with wash and spatter paint on paper

Typewritten text on paper

Photomechanical print with gouache on paper

Photomechanical print in black ink on white paper

Photomechanical print with colored ink, wash, and applied type on paper

Photocopy with inscriptions

Photomechanical print with green wash on paper

Photomechanical print with ink on paper